Louis Alonzo Young (February 19, 1893 â July 19, 1948) was an American college football player and coach. He served as the head football coach at the University of Pennsylvania from 1923 to 1929, compiling a record of 49âÂÂ15âÂÂ2. Young played football at Penn from 1912 to 1914, captaining the team in 1913. He died at the age of 56 on July 19, 1948, in Philadelphia.